drivers/net/dsa/mv88e6xxx/global2.h

   1 /*
   2  * Marvell 88E6xxx Switch Global 2 Registers support (device address 0x1C)
   3  *
   4  * Copyright (c) 2008 Marvell Semiconductor
   5  *
   6  * Copyright (c) 2016 Vivien Didelot <vivien.didelot@savoirfairelinux.com>
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  */
  13
  14 #ifndef _MV88E6XXX_GLOBAL2_H
  15 #define _MV88E6XXX_GLOBAL2_H
  16
  17 #include "mv88e6xxx.h"
  18
  19 #ifdef CONFIG_NET_DSA_MV88E6XXX_GLOBAL2
  20
  21 static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip)
  22 {
  23         return 0;
  24 }
  25
  26 int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip, int addr, int reg,
  27                               u16 *val);
  28 int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, int addr, int reg,
  29                                u16 val);
  30 int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip, u8 *addr);
  31 int mv88e6xxx_g2_get_eeprom16(struct mv88e6xxx_chip *chip,
  32                               struct ethtool_eeprom *eeprom, u8 *data);
  33 int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip,
  34                               struct ethtool_eeprom *eeprom, u8 *data);
  35 int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip);
  36
  37 #else /* !CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
  38
  39 static inline int mv88e6xxx_g2_require(struct mv88e6xxx_chip *chip)
  40 {
  41         if (mv88e6xxx_has(chip, MV88E6XXX_FLAG_GLOBAL2)) {
  42                 dev_err(chip->dev, "this chip requires CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 enabled\n");
  43                 return -EOPNOTSUPP;
  44         }
  45
  46         return 0;
  47 }
  48
  49 static inline int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip,
  50                                             int addr, int reg, u16 *val)
  51 {
  52         return -EOPNOTSUPP;
  53 }
  54
  55 static inline int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip,
  56                                              int addr, int reg, u16 val)
  57 {
  58         return -EOPNOTSUPP;
  59 }
  60
  61 static inline int mv88e6xxx_g2_set_switch_mac(struct mv88e6xxx_chip *chip,
  62                                               u8 *addr)
  63 {
  64         return -EOPNOTSUPP;
  65 }
  66
  67 static inline int mv88e6xxx_g2_get_eeprom16(struct mv88e6xxx_chip *chip,
  68                                             struct ethtool_eeprom *eeprom,
  69                                             u8 *data)
  70 {
  71         return -EOPNOTSUPP;
  72 }
  73
  74 static inline int mv88e6xxx_g2_set_eeprom16(struct mv88e6xxx_chip *chip,
  75                                             struct ethtool_eeprom *eeprom,
  76                                             u8 *data)
  77 {
  78         return -EOPNOTSUPP;
  79 }
  80
  81 static inline int mv88e6xxx_g2_setup(struct mv88e6xxx_chip *chip)
  82 {
  83         return -EOPNOTSUPP;
  84 }
  85
  86 #endif /* CONFIG_NET_DSA_MV88E6XXX_GLOBAL2 */
  87
  88 #endif /* _MV88E6XXX_GLOBAL2_H */